updated decorator data to use rand instead of seed

src/main/java/kaptainwutax/seedcracker/cracker/population/DecoratorData.java

@@ -2,19 +2,9 @@ package kaptainwutax.seedcracker.cracker.population;
 
 import kaptainwutax.seedcracker.cracker.DecoratorCache;
 import kaptainwutax.seedcracker.util.Rand;
-import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.ChunkPos;
 import net.minecraft.world.biome.Biome;
-import net.minecraft.world.gen.ChunkRandom;
-import net.minecraft.world.gen.GenerationStep;
-import net.minecraft.world.gen.decorator.ConfiguredDecorator;
 import net.minecraft.world.gen.decorator.Decorator;
-import net.minecraft.world.gen.feature.ConfiguredFeature;
-import net.minecraft.world.gen.feature.DecoratedFeatureConfig;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
 
 public abstract class DecoratorData {
 
@@ -39,7 +29,7 @@ public abstract class DecoratorData {
         decoratorSeed += salt;
         decoratorSeed ^= Rand.JAVA_LCG.multiplier;
         decoratorSeed &= Rand.JAVA_LCG.modulo - 1;
-        return this.testDecorator(decoratorSeed);
+        return this.testDecorator(new Rand(decoratorSeed, false));
     }
 
     public long getPopulationSeed(long structureSeed, int x, int z) {
@@ -49,7 +39,7 @@ public abstract class DecoratorData {
         return (long)x * a + (long)z * b ^ structureSeed;
     }
 
-    public abstract boolean testDecorator(long decoratorSeed);
+    public abstract boolean testDecorator(Rand rand);
 
     @Override
     public boolean equals(Object obj) {
@@ -63,42 +53,4 @@ public abstract class DecoratorData {
         return false;
     }
 
-
-    public abstract static class Feature {
-        private Map<Biome, Long> CACHE = new HashMap<>();
-
-        private GenerationStep.Feature genStep;
-        private Decorator decorator;
-
-        public Feature(GenerationStep.Feature genStep, Decorator decorator) {
-            this.genStep = genStep;
-            this.decorator = decorator;
-        }
-
-        public ChunkRandom buildRand(long worldSeed, Biome biome, ChunkPos chunkPos) {
-            if(CACHE.containsKey(biome)) {
-                return new ChunkRandom(CACHE.get(biome));
-            }
-
-            List<ConfiguredFeature<?, ?>> features = biome.getFeaturesForStep(this.genStep);
-
-            for(int i = 0; i < features.size(); i++) {
-                ConfiguredFeature<?, ?> feature = features.get(i);
-                if(!(feature.config instanceof DecoratedFeatureConfig))continue;
-                ConfiguredDecorator<?> currentDecorator = ((DecoratedFeatureConfig)feature.config).decorator;
-
-                if(currentDecorator.decorator == this.decorator) {
-                    BlockPos pos = new BlockPos(chunkPos.getStartX(), 0, chunkPos.getStartZ());
-                    ChunkRandom chunkRandom = new ChunkRandom();
-                    long populationSeed = chunkRandom.setSeed(worldSeed, pos.getX(), pos.getZ());
-                    long seed = chunkRandom.setFeatureSeed(populationSeed, i, this.genStep.ordinal());
-                    CACHE.put(biome, seed ^ Rand.JAVA_LCG.multiplier);
-                    return chunkRandom;
-                }
-            }
-
-            return null;
-        }
-    }
-
 }

src/main/java/kaptainwutax/seedcracker/cracker/population/DungeonData.java

@@ -28,9 +28,8 @@ public class DungeonData extends DecoratorData {
     }
 
     @Override
-    public boolean testDecorator(long decoratorSeed) {
+    public boolean testDecorator(Rand rand) {
         if(this.starts.isEmpty())return true;
-        Rand rand = new Rand(decoratorSeed, false);
 
         //TODO: This currently only supports 1 dungeon per chunk.
         BlockPos start = this.starts.get(0);

src/main/java/kaptainwutax/seedcracker/cracker/population/EmeraldOreData.java

@@ -30,13 +30,12 @@ public class EmeraldOreData extends DecoratorData {
     }
 
     @Override
-    public boolean testDecorator(long decoratorSeed) {
+    public boolean testDecorator(Rand rand) {
         if(this.starts.isEmpty())return true;
 
         //TODO: This currently only supports 1 emerald per chunk.
         BlockPos start = this.starts.get(0);
 
-        Rand rand = new Rand(decoratorSeed, false);
         int b = rand.nextInt(6);
 
         for(int i = 0; i < b + 3; i++) {

src/main/java/kaptainwutax/seedcracker/cracker/population/EndGatewayData.java

@@ -20,9 +20,7 @@ public class EndGatewayData extends DecoratorData {
     }
 
     @Override
-    public boolean testDecorator(long decoratorSeed) {
-        Rand rand = new Rand(decoratorSeed, false);
-
+    public boolean testDecorator(Rand rand) {
         if(rand.nextInt(700) != 0)return false;
         if(rand.nextInt(16) != this.xOffset)return false;
         if(rand.nextInt(16) != this.zOffset)return false;